الإنجليزية - الإنجليزية
تعريف hittorf tube في الإنجليزية الإنجليزية القاموس.
- A Crookes tube
- It was used by the German physicist W
- Hittorf b
- 1824
- A highly exhausted glass tube with metallic electrodes nearly in contact so as to exhibit the insulating effects of a vacuum